| JEFFERSON SENIOR CITIZEN CENTER, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Sep 27, 1978 | Inactive |
| THE WAY OF THE CROSS MINISTRIES, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Nov 7, 1978 | Inactive |
| MONTICELLO WOMAN'S CLUBMonticello, FL · Inactive | Monticello, FL | Nonprofit | Aug 3, 1979 | Inactive |
| ELIZABETH BAPTIST CHURCH OF MONTICELLO, FLORIDA, INC.Monticello, FL · Active | Monticello, FL | Nonprofit | Jan 24, 1980 | Active |
| THE QUIN WOMENS CLUB, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Jul 16, 1980 | Inactive |
| CENTRAL CHURCH OF CHRIST IN MONTICELLO, INC.Monticello, FL · Active | Monticello, FL | Nonprofit | Mar 13, 1981 | Active |
| THE MUSEUM, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Oct 25, 1982 | Inactive |
| FLORIDA HIGH SCHOOL ALUMNI ASSOCIATION, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Jan 13, 1983 | Inactive |
| FRIENDS OF THE LIBRARY OF JEFFERSON COUNTY, FLORIDA, INC.Monticello, FL · Active | Monticello, FL | Nonprofit | Jun 24, 1983 | Active |
| BEACON PRODUCTIONS, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Aug 16, 1983 | Inactive |
| COMMUNITY DEVELOPMENT CORPORATION OF JEFFERSON COUNTY, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Nov 8, 1983 | Inactive |
| JEFFERSON COUNTY COMMUNITY DEVELOPMENT, INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Nov 17, 1983 | Inactive |
| THE JEFFERSON COUNTY CROP IMPROVEMENT ASSOCIATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jun 12, 1967 | Inactive |
| JEFFERSON COUNTY FARM BUREAU, LAA.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Oct 17, 1955 | Inactive |
| ARTISTIC APRON HOUSE INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 10, 1962 | Inactive |
| CHASE-BEATTY, CORP.Monticello, FL · Inactive | Monticello, FL | Corporation | Jun 16, 1972 | Inactive |
| POWER LAWN EQUIPMENT, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | May 20, 1975 | Inactive |
| FLOREMA N.V. INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Mar 23, 1979 | Inactive |
| SOUTHERN BRIDGE, INC. OF ALABAMAMonticello, FL · Inactive | Monticello, FL | Corporation | Nov 23, 1981 | Inactive |
| JEFFERSON ARMS, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Aug 3, 1971 | Inactive |
| GULF HAMMOCK RECREATIONAL DEVELOPMENT, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Feb 13, 1973 | Inactive |
| V.F.R. DEVELOPERS, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Mar 3, 1975 | Inactive |
| EDP FINANCIAL SERVICES, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Dec 22, 1977 | Inactive |
| MONTICELLO ASSOCIATES, A LIMITED PARTNERSHIPMonticello, FL · Inactive | Monticello, FL | Partnership | Sep 20, 1979 | Inactive |
| MONTICELLO LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Jun 5, 1985 | Inactive |
| BIG BEND TELE-GUIDE, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Sep 24, 1986 | Inactive |
| JUMPIE RUN PLANTATION, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Dec 30, 1986 | Inactive |
| 395 SUNSET DRIVE LIMITED PARTNERSHIPMonticello, FL · Active | Monticello, FL | Partnership | Aug 24, 2026 | Active |
| EL DESTINO OF JEFFERSON COUNTY, LTD.Monticello, FL · Active | Monticello, FL | Partnership | Mar 22, 1996 | Active |
| THE ANDRIS FAMILY LIMITED PARTNERSHIPMonticello, FL · Inactive | Monticello, FL | Partnership | Aug 26, 1998 | Inactive |
| H & J LEE FAMILY PARTNERSHIP, LTD.Monticello, FL · Inactive | Monticello, FL | Partnership | Dec 29, 1998 | Inactive |
| KEATON EDD LIVING TRUSTMonticello, FL · Active | Monticello, FL | Other | Apr 11, 2025 | Active |
| FRED JONES JR TRUSTMonticello, FL · Active | Monticello, FL | Other | Dec 16, 2025 | Active |
| OLD GRAND DAD, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Oct 5, 2000 | Inactive |
| AUTUMN CONSTRUCTION ENTERPRISES, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Oct 10, 1980 | Inactive |
| THE HOMEPLACE SHELTER INC.Monticello, FL · Inactive | Monticello, FL | Nonprofit | Jun 6, 2003 | Inactive |
| QUALITY HAY FARMS, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Oct 23, 1980 | Inactive |
| PRIME ENERGY GROUP, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Feb 28, 2007 | Inactive |
| OLSON, INC. #IMonticello, FL · Inactive | Monticello, FL | Corporation | Dec 19, 1980 | Inactive |
| OLSON, INC. #IIMonticello, FL · Inactive | Monticello, FL | Corporation | Dec 19, 1980 | Inactive |
| SILVER LAKE DAIRY OF JEFFERSON COUNTY, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Dec 31, 1980 | Inactive |
| ALLAN'S LIQUORS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 3, 1981 | Inactive |
| OCEANWAY FARMS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 3, 1981 | Inactive |
| I-ENABLE LOGISTICS, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Feb 19, 2021 | Inactive |
| LA PASCUA PEAK HEALTHCARE, INC.Monticello, FL · Active | Monticello, FL | Corporation | Jul 24, 2026 | Active |
| ALL YOU CAN STAND, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Apr 14, 1981 | Inactive |
| ARTISTIC APRON HOUSE, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Apr 23, 1981 | Inactive |
| TOM-TOM FOODS, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Apr 29, 1981 | Inactive |
| JEFFERSON PREMIUM FINANCE, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | May 15, 1981 | Inactive |
| SPURLIN ENTERPRISES, INC.Monticello, FL · Inactive | Monticello, FL | Corporation | Jun 3, 1981 | Inactive |